GDI ±
Troubleshooting
13A-67
INSPECTION PROCEDURE 29
EGR valve system
Probable cause
The engine-ECU controls the EGR valve in order to control the amount of
exhaust gas mixed in the intake air.
D
Malfunction of the EGR valve
D
Open circuit or short-circuited harness wire in the
EGR valve circuit
D
Malfunction of the engine-ECU
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine-ECU and EGR valve, and repair
if necessary.
OK
Check the trouble symptoms.
NG
Replace the engine-ECU.
OK
Check the following connector:
C-17
NG
Repair
OK
Measure at the engine-ECU connector
C-17.
D
Disconnect the connector, and
measure at the harness side.
D
Voltage between 5, 6, 32, 34
and earth (Ignition switch: ON)
OK:
System voltage
NG
Check the following connectors:
A-60, A-82
NG
Repair
OK
Measure at the EGR valve connector
A-60.
D
Disconnect the connector, and
measure at the harness side.
D
Voltage between 2, 5 and earth
(Ignition switch: ON)
OK:
System voltage
NG
Check the EGR valve. (Refer to
GROUP 17 ± Emission Control Sys-
tem.)
NG
Replace
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine control relay and the EGR valve,
and repair if necessary.
Check the following connectors:
A-36, A-82
NG
Repair
Summary of Contents for Pajero Pinin 1999
Page 32: ...NOTES ...
Page 73: ...13A 1 FUEL CONTENTS GASOLINE DIRECT INJECTION GDI 13A FUEL SUPPLY 13B ...
Page 190: ...NOTES ...
Page 191: ...13B 1 FUEL SUPPLY CONTENTS FUEL TANK 2 Fuel Pump Module 4 ...
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Page 443: ...32 1 POWER PLANT MOUNT CONTENTS ENGINE MOUNTING 2 TRANSMISSION MOUNTING 3 ...
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Page 467: ...NOTES ...
Page 468: ...BASIC BRAKE SYSTEM 35A ANTI SKID BRAKING SYSTEM ABS 4WD 35B 35A 1 SERVICE BRAKES CONTENTS ...
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Page 728: ...54A 1 CHASSIS ELECTRICAL CONTENTS CHASSIS ELECTRICAL 54A SMART WIRING SYSTEM SWS 54B ...
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